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Equations Representing Parallel lines

Find the equa...

Question

Find the equation of a line parallel to the y-axis passing through the point P(4, -1).

A

x = 4

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B

x = -1

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C

y = 4

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D

y = -1

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Solution

The correct option is A
x = 4

The equation of a line parallel to the y -axis is of the form x = k. As the line passes through the point P(4, -1), the equation of the line is x = 4.

Hence (A)

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